THEY ARE PERFECT FOR PLACES THAT REQUIRE IDENTIFICATION OF CUSTOMERS LIKE NIGHTCLUBS, BARS, WATER PARKS, ARCADES, TRAMPOLINE PARKS, HOTELS, BREWERIES, ETC. MADE BY PET MATERIAL, SIZE(L X W) 13.77" X 0.59", WEIGHT 3.29GRAM. 13.77" L X 0.59" W